*{
  margin:0;
  padding:0;
  text-decoration:none;
  font-family:"Microsoft YaHei", "微软雅黑", fantasy, serif, Arial, monospace, tahoma, Roboto, Simsun, sans-serif;
  color:#333;
  border:0;
}
.nav_header{
  background:#ddd;
  height:50px;
  line-height:50px;
  position:absolute;
  top:0;
  width:100%;
  text-align:center;
  border-bottom:1px solid #ddd;
}
.company{
  width:1002px;
  position:absolute;
  text-align:left;
  left:0;
  right:0;
  top:0;
  bottom:0;
  margin:auto;
}
.company span{
  color:#fff;
  font-size:20px;
}
.contentBox{
  width:100%;
  position:absolute;
  text-align:center;
  left:0;
  right:0;
  top:0;
  bottom:0;
  margin:auto;
  background-image:url('../images/bg.jpg');
  background-repeat:no-repeat, repeat;
  background-size:100%;
  background-color:#7c96ef;
}
.clear{
  clear:both;
}
.leftBox{
  margin:-165px 0 0 -150px;
  height:330px;
  width:300px;
  left:20%;
  top:50%;
  position:absolute;
}
.leftBox span{
  font-size:3.8em;
  color:#fff;
}
.loginBox{
  height:370px;
  width:350px;
  left:22%;
  top:calc(50% + 80px);
  margin:-185px -175px 0 0;
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#0e000000, endColorstr=#0e000000);
  background-color:rgba(0, 0, 0, .2);
  position:absolute;
  border-radius:6px;
  behavior:url(css/PIE.htc); /*解决低版本的IE支持圆角或CSS3*/
  color:#fff;
}
.loginBox input{
  height:44px;
  line-height:44px;
  width:200px;
  font-size:16px;
  padding-left:4px;
  padding-right:4px;
  margin-top:60px;
  border-radius:3px;
  outline:none;
}
.loginBox button{
  text-decoration:none;
  outline:none;
  height:44px;
  line-height:44px;
  width:244px;
  font-size:16px;
  position:absolute;
  background-color:#fff; /*158*/
  border-radius:6px;
  behavior:url(css/PIE.htc);
  cursor:pointer;
  margin:-22px 0 0 -122px;
  left:50%;
  top:80%;
  color:#07b0ff;
}
.loginBox label{
  margin-right:8px;
  color:#fff;
}
.copyright{
  background:#ddd;
  height:48px;
  line-height:48px;
  /*border-top: 1px solid #ddd;*/
  position:absolute;
  bottom:0;
  width:100%;
  text-align:center;
}
.copyright span{
  line-height:48px;
  height:48px;
  margin:0 8px;
}
.copyright span a:hover{
  color:#3083eb;
}